CVE-2021-39238

Certain HP Enterprise LaserJet, HP LaserJet Managed, HP Enterprise PageWide, HP PageWide Managed products may be vulnerable to potential buffer overflow

published November 3, 2021

CVSS
—
EPSS
11%
Percentile
96.0
In the wild
Unconfirmed
What it is

⚠️ A buffer overflow vulnerability lurks in certain HP printers, waiting for just the right moment! 🖨️ Think of it like overstuffing a suitcase—if you cram too many clothes in, the zipper could burst, spilling everything out. In the case of these printers, sending malformed data could overflow the memory and lead to unexpected, potentially harmful behaviors. If exploited, an attacker could cause the printer to behave erratically, potentially leading to data leaks or even crashes. Imagine your printer suddenly spewing out sensitive documents or refusing to print important reports—absolutely frustrating!

Put simply

Think of it like overstuffing a suitcase—if you cram too many clothes in, the zipper could burst, spilling everything out. In the case of these printers, sending malformed data could overflow the memory and lead to unexpected, potentially harmful behaviors. This vulnerability arises from insufficient boundary checks in the processing of input data, potentially leading to a buffer overflow that could be used to execute arbitrary code or crash the device.

What to do

If exploited, an attacker could cause the printer to behave erratically, potentially leading to data leaks or even crashes. Imagine your printer suddenly spewing out sensitive documents or refusing to print important reports—absolutely frustrating! To protect your devices, ensure you update to the latest firmware provided by HP. Regularly check for updates and follow HP’s security guidance to mitigate any risks. This step is crucial to keep your printers operating safely! You’ve got this! By staying proactive with updates, you’ll protect your devices and your data. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.11243 · 96.0th percentile
Published
2021-11-03T00:06Z
EPSS history
Timeline
  • 03 NOV 00:06Z
    Certain HP Enterprise LaserJet, HP LaserJet Managed, HP Enterprise PageWide, HP PageWide Managed products may be vulnerable to potential buffer overflow
    cvelistv5